Asus−35%
ASUS PRO B550M-C/CSM AMD B550 Socket AM4 micro ATX
£137.99£213.04
at Back to the OfficeView deal →Asus: PRO B550M vs TUF Gaming B450M
Two tech & gaming deals from Asus, side by side · prices checked 15 Oct 2026
Asus−34%
ASUS TUF Gaming B450M-Plus II AMD B450 Socket AM4 micro ATX
£98.99£149.27
at Back to the OfficeView deal →| PRO B550M | TUF Gaming B450M | |
|---|---|---|
| Price today | £137.99 | £98.99 |
| Previous price | £213.04 (Amazon price) | £149.27 (Amazon price) |
| Discount | 35% | 34% |
| You save | £75.05 | £50.28 |
| Retailer | Back to the Office | Back to the Office |
The short version: the TUF Gaming B450M is the cheaper of the two at £98.99 (£39 less than the PRO B550M). The bigger discount is on the PRO B550M at 35% off its amazon price. So it depends whether you want the lower price or the larger saving against list. Both prices were checked this morning and link straight to the retailer.